| Locality | Post Code |
|---|---|
| Basin, Big Horn | 82410 |
| Burlington, Big Horn | 82411 |
| Byron, Big Horn | 82412 |
| Cowley, Big Horn | 82420 |
| Deaver, Big Horn | 82421 |
| Emblem, Big Horn | 82422 |
| Greybull, Big Horn | 82426 |
| Hyattville, Big Horn | 82428 |
| Lovell, Big Horn | 82431 |
| Manderson, Big Horn | 82432 |
| Otto, Big Horn | 82434 |
| Shell, Big Horn | 82441 |